Patents by Inventor Ulf Neidlein

Ulf Neidlein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6475957
    Abstract: Cycloalkyl-substituted benzoylpyrazoles of the formula I where the variables have, for example, the following meanings: R1 is hydrogen, nitro, halogen, cyano, thiocyanato, or an unsubstituted or substituted aliphatic radical; R2 is an unsubstituted or substituted aliphatic radical, halogen, nitro, or substituted sulfonyl or amino groups, R3 is hydrogen, halogen, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl or C2-C6-alkynyl; R4, R5 are hydrogen, nitro, halogen, cyano, thiocyanato, an unsubstituted or substituted aliphatic radical or substituted sulfonyl or amino groups; R6 is hydrogen, halogen, C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl; R7 is a cyclic ring system having 3-14 ring atoms; R16 is hydroxyl or a substituted hydroxyl group; and their tautomers or agriculturally useful salts are described.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: November 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Roland Götz, Klaus Langemann, Guido Mayer, Ulf Misslitz, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6440899
    Abstract: Cyclohexenonedioxothiochromanoyl derivatives of the formula I where X is oxygen, sulfur, S═O, S(═O)2, CR4R5, C═O or C═NR6, the other substituents are as defined in the specification, and and agriculturally useful salts thereof; processes for preparing the cyclohexenonedioxotheiochromanoyl derivatives; compositions comprising them, and the use of these derivatives or of compositions comprising them for controling undesirable piants.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: August 27, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel, Guido Mayer, Ulf Neidlein, Oliver Wagner, Roland Götz, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6410485
    Abstract: The present application relates to saccharin-5-carbonyl derivatives of the formula I in which the substituents have the following meanings: L is C1-C6-alkyl, C1-C6-alkoxy; Z is C1-C6-alkyl, C3-C8-cycloalkyl, C3-C6-alkenyl, C3-C5-alkynyl, phenyl-C1-C6-alkyl or phenyl, where the phenyl rings are in each case optionally mono- or polysubstituted by C1-C6-alkyl, C1-C6-alkoxy or halogen; M is hydrogen, C1-C6-alkyl, C1-C6-alkoxy, halogen, cyano, nitro or halo-C1-C6-alkyl; R1, R2, R3, R4, R5, R6, R7, R8 are hydrogen, C1-C6-alkyl; and agriculturally utilizable salts of the compound I.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: June 25, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Neidlein, Matthias Witschel, Roland Götz, Michael Rack, Peter Plath, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6352959
    Abstract: Thiochromanoylpyrazolone derivatives of the formula I where: A is an unsubstituted or substituted, saturated or unsaturated alkyl chain; R1 is cyano, thiocyanato, nitro, OR4, SR5, SOR6, S02R6, ONR6NR7, ON═CR6R8, NR9R10, P(O)R11R12, P(S)R11R12, COR, CO2R6, unsubstituted or substituted phenyl or heterocyclyl; R2 is alkyl, haloalkyl, alkoxy or haloalkoxy; R3 is hydrogen, alkyl or halogen; X is oxygen, sulfur, S═O, S(═O)2, CR13R14, C═O or C═NR15; m is 0, 1 or 2; n is 0, 1, 2, 3 or 4; R16 is substituted pyrazol-4-yl-carbonyl or substituted (4,5-dihydro-5-oxo-pyrazol-4-yl)methylidene; and their agriculturally useful salts; Processes for preparing the thiochromanoylpyrazolone derivatives, compositions comprising them, and the use of these derivatives or of the compositions comprising them for controlling undesirable plants are described.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: March 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Langemann, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Norbert Götz, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6326333
    Abstract: Pyrazolyldioxothiochromanoyl derivatives of the formula I where: X is oxygen, sulfur, S═O, S(═O)2, CR4R5, C═O or C═NR6, R1 is hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, aminosulfonyl with or without substitution or sulfonylamino with or without substitution; R2 is alkyl, haloalkyl, alkoxy or haloalkoxy; R3 is hydrogen, alkyl or halogen; R4, R5 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl or substituted amino; or R4 and R5 together form a chain which may be substituted and/or interrupted by oxygen or sulfur; or a methylidene group with or without substitution; l is 0 to 4; R7 is substituted pyrazol-4-ylcarbonyl or substituted pyrazol-4-ylmethylidene; and agriculturally useful salts thereof.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: December 4, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel, Guido Mayer, Ulf Neidlein, Oliver Wagner, Martina Otten, Karl-Otto Westphalen, Helmut Walter